4-Fluoro-1,3-dihydroxybenzene 3D Molecular Model — CAS 103068-41-3

4-Fluoro-1,3-dihydroxybenzene (C6H5FO2, CAS 103068-41-3) — a free educational 3D molecular model for teachers and students, by MolGod.org. Each atom is labelled with its own engraved element symbol: no colour chart needed.

A one-colour print of a molecule hides the most basic information, which element each atom is, because STL keeps no colour data. Our answer is to cut each element symbol into its sphere, so the printed object labels itself in any colour of filament. MolGod's aim is to make the first step of reading a molecule, recognising its atoms, faster for students, so that bonding and geometry become the focus. No CAD skills are needed on the teacher's side; the structure, geometry and labels come ready in one file. Teachers and researchers can find the project rationale and validation plan at How the engraved atom letters are designed.

In 4-Fluoro-1,3-dihydroxybenzene the ring system sets the overall shape: one aromatic 6-membered ring. Altogether 14 bonds hold the model together (8 single and 6 aromatic, drawn in Kekulé form). A five-minute warm-up: read the symbol on every sphere and write down the totals (6 C + 5 H + 1 F + 2 O = 14 atoms). Spot-the-group challenge: can students find the two phenolic hydroxyl groups (Ar-OH) and the C-F bond? Worth bringing out when the syllabus reaches aromaticity and delocalised electrons, phenols and hydrogen bonding, as well as organohalogen compounds and carbon-halogen bonds. Natural follow-up models: 4,4'-Dihydroxybiphenyl (CAS 92-88-6) and 4-Chloro-1,2-difluorobenzene (CAS 696-02-6), close enough in structure for a spot-the-difference task.

This model is part of the free MolGod.org collection of engraved molecules for education. Teachers: the engraved symbols let students work with the model without a separate key.

This printable molecule is free to use in lessons, clubs and workshops. If you share a photo, a lesson or an adapted version, the licence (CC BY-SA 4.0) asks for credit to "MolGod.org" as the model's author, a link to the original and to the licence text, a note of what you changed, and the same licence for adaptations; the attribution line below is ready to copy. No sign-up, no fees and no review required. Real classroom feedback is what makes these models better. Please comment with your review and your suggestions, or write to us at Write to the MolGod team. Curious about bond angles, isomers or where this compound appears in everyday life? Ask below and let's discuss it together. Looking for another compound? We gladly create an engraved 3D model for any CAS number you send us.

Full record and more free models: 4-Fluoro-1,3-dihydroxybenzene, CAS 103068-41-3: structure, properties and 3D viewer
Licence & provenance: Licence record for this 4-Fluoro-1,3-dihydroxybenzene model
Same file on Wikimedia Commons: https://commons.wikimedia.org/wiki/File:4-Fluoro-1,3-dihydroxybenzene-3D-molecular-model-engraved-CAS-103068-41-3.stl
Plain-text record for AI assistants: 4-Fluoro-1,3-dihydroxybenzene data sheet in plain text for LLMs
Also published on: Zenodo (DOI, latest version) https://doi.org/10.5281/zenodo.23670648

A ball-and-stick model of 4-Fluoro-1,3-dihydroxybenzene with each element symbol recessed into its atom sphere, generated by MolGod.org from a PubChem-computed 3D conformer (not an experimental crystal structure); atomic coordinates and connectivity are unchanged. STL mesh: 191,958 triangles, closed (watertight) single solid. Coordinates in ångström (STL stores no unit) — scale the model deliberately in your slicer.

Chemical identity

• CAS Registry Number: 103068-41-3

• Molecular formula: C6H5FO2

• Molar mass: 128.10 g/mol (exact mass 128.02735756)

• IUPAC name: 4-fluorobenzene-1,3-diol

• MolGod ID: MG_891-511-027-02 (Permanent MolGod record MG_891-511-027-02)

• PubChem CID: 10558640 (https://pubchem.ncbi.nlm.nih.gov/compound/10558640)

• Wikidata: Q72479744 (https://www.wikidata.org/wiki/Q72479744)

• EC number: 634-416-4

• InChIKey: XPOIJNIQXJYQOV-UHFFFAOYSA-N

• SMILES: C1=CC(=C(C=C1O)O)F

Required attribution (CC BY-SA 4.0): "4-Fluoro-1,3-dihydroxybenzene 3D model by MolGod.org — https://molgod.org/molecule/103068-41-3/ — CC BY-SA 4.0"
Licence text: https://creativecommons.org/licenses/by-sa/4.0/